From b9682fc6fd3885fa82e4fe0bd216bb0f46e225c9 Mon Sep 17 00:00:00 2001
From: Axel Kohlmeyer <akohlmey@gmail.com>
Date: Tue, 1 Aug 2023 14:38:48 -0400
Subject: [PATCH] zip file packaging for windows

---
 .gitignore                             |  1 +
 cmake/packaging/build_windows_vs.cmake | 28 ++++++++++++++++++++++++++
 tools/lammps-gui/CMakeLists.txt        |  7 +++++++
 3 files changed, 36 insertions(+)
 create mode 100644 cmake/packaging/build_windows_vs.cmake

diff --git a/.gitignore b/.gitignore
index 8b711047de..4faef4b8db 100644
--- a/.gitignore
+++ b/.gitignore
@@ -59,3 +59,4 @@ src/Makefile.package-e
 src/Makefile.package.settings-e
 /cmake/build/x64-Debug-Clang
 /install/x64-GUI-MSVC
+/install
diff --git a/cmake/packaging/build_windows_vs.cmake b/cmake/packaging/build_windows_vs.cmake
new file mode 100644
index 0000000000..225de17854
--- /dev/null
+++ b/cmake/packaging/build_windows_vs.cmake
@@ -0,0 +1,28 @@
+# CMake script to be run post installation to build zipped package
+
+# clean up old zipfile and deployment tree
+file(REMOVE LAMMPS-Win10-amd64.zip)
+file(REMOVE_RECURSE LAMMPS_GUI)
+file(RENAME ${INSTNAME} LAMMPS_GUI)
+
+# move all executables and dlls to main folder and delete bin folder
+file(GLOB BINFILES LIST_DIRECTORIES FALSE LAMMPS_GUI/bin/*.exe LAMMPS_GUI/bin/*.dll)
+foreach(bin ${BINFILES})
+  get_filename_component(exe ${bin} NAME)
+  file(RENAME ${bin} LAMMPS_GUI/${exe})
+endforeach()
+file(REMOVE_RECURSE LAMMPS_GUI/bin)
+
+# create qt.conf so Qt will find its plugins
+file(WRITE LAMMPS_GUI/qt.conf "[Paths]\r\nPlugins = qt5plugins\r\n")
+
+# initialize environment and then run windeployqt to populate folder with missing dependencies and Qt plugins
+file(WRITE qtdeploy.bat "@ECHO OFF\r\nset VSCMD_DEBUG=0\r\nCALL ${VC_INIT} x64\r\nset PATH=${QT5_BIN_DIR};%PATH%\r\nwindeployqt --plugindir LAMMPS_GUI/qt5plugins --release  LAMMPS_GUI/lammps-gui.exe --no-quick-import --no-webkit2 --no-translations --no-system-d3d-compiler --no-angle --no-opengl-sw\r\n")
+execute_process(COMMAND cmd.exe /c qtdeploy.bat COMMAND_ECHO STDERR)
+file(REMOVE qtdeploy.bat)
+
+# create zip archive
+file(WRITE makearchive.ps1 "Compress-Archive -Path LAMMPS_GUI -CompressionLevel Optimal -DestinationPath LAMMPS-Win10-amd64.zip")
+execute_process(COMMAND powershell -ExecutionPolicy Bypass -File makearchive.ps1)
+file(REMOVE makearchive.ps1)
+file(REMOVE_RECURSE LAMMPS_GUI)
\ No newline at end of file
diff --git a/tools/lammps-gui/CMakeLists.txt b/tools/lammps-gui/CMakeLists.txt
index 30bc4b127a..c011b7c938 100644
--- a/tools/lammps-gui/CMakeLists.txt
+++ b/tools/lammps-gui/CMakeLists.txt
@@ -158,6 +158,13 @@ elseif(WIN32)
   install(FILES $<TARGET_RUNTIME_DLLS:lammps-gui> TYPE BIN)
   install(FILES $<TARGET_RUNTIME_DLLS:lammps> TYPE BIN)
   install(FILES $<TARGET_RUNTIME_DLLS:lmp> TYPE BIN)
+  # find path to VC++ init batch file
+  get_filename_component(VC_COMPILER_DIR "${CMAKE_CXX_COMPILER}" DIRECTORY)
+  get_filename_component(VC_BASE_DIR "${VC_COMPILER_DIR}/../../../../../.." ABSOLUTE)
+  set(VC_INIT "${VC_BASE_DIR}/Auxiliary/Build/vcvarsall.bat")
+  get_filename_component(QT5_BIN_DIR "${Qt5Core_DIR}/../../../bin" ABSOLUTE)
+  get_filename_component(INSTNAME ${CMAKE_INSTALL_PREFIX} NAME)
+  install(CODE "execute_process(COMMAND \"${CMAKE_COMMAND}\" -D INSTNAME=${INSTNAME} -D VC_INIT=\"${VC_INIT}\" -D QT5_BIN_DIR=\"${QT5_BIN_DIR}\"                  -P \"${CMAKE_SOURCE_DIR}/packaging/build_windows_vs.cmake\" WORKING_DIRECTORY \"${CMAKE_INSTALL_PREFIX}/..\" COMMAND_ECHO STDOUT)")
 else()
   install(TARGETS lammps-gui DESTINATION ${CMAKE_INSTALL_BINDIR})
   install(CODE [[